285679038948 has 48 divisors (see below), whose sum is σ = 701998584000. Its totient is φ = 90171906048.

The previous prime is 285679038943. The next prime is 285679038949. The reversal of 285679038948 is 849830976582.

It is a super-2 number, since 2×285679038948² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (285679038943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191148 + ... + 779676.

It is an arithmetic number, because the mean of its divisors is an integer number (14624970500).

Almost surely, 2^285679038948 is an apocalyptic number.

It is an amenable number.

285679038948 is an abundant number, since it is smaller than the sum of its proper divisors (416319545052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285679038948 is a wasteful number, since it uses less digits than its factorization.

285679038948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590684 (or 590682 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 285679038948 in words is "two hundred eighty-five billion, six hundred seventy-nine million, thirty-eight thousand, nine hundred forty-eight".